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		<title>阳光开朗大女孩</title>
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			h1{
				color: red;
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			#chen{
				color:orange;
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			.女生{
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		<h1 id="chen">陈博文</h1>
		<h1 class="女生">李锶涵</h1>
		<h1 class="女生">周震震</h1>
		<p>嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿</p>
		<p>嘿嘿嘿嘿嘿嘿嘿嘿嘿嘿</p>
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